Multiple Choice Questions on Computer Programming and Databases

1. Which of the following is the same as the mean? a. median b. sum c. arithmetic average d. logarithm 2. The process of reversing the positions of two variables is called ____. a. sorting b. swapping c. selecting d. inserting 3. Which of the following is considered to be a popular coding scheme? a. ASCII b. EBCDIC c. Unicode d. All of the above 4. An array must have a(n) ____ size. a. finite b. infinite c. random d. small 5. What is the name of the flag variable in the following code? sortScores() pairsToCompare = numberOfEls – 1 switchOccurred = "Yes" while switchOccurred = "Yes" x = 0 switchOccurred = "No" while x <= pairsToCompare if score[x] > score[... click for more

In an object-oriented program, one object can ____ another.

Basic Programming Questions (50), Study guide. Please see attachment.

Programming Language Grammar Question

Given the following grammar, where upper-case letters are non-terminals and lower-case letters are terminals. Which strings are valid?

Modify Attached C++ Procedural Program

Hello , I would like this program modified to input the amount of the mortgage, the term (years) of the mortgage, and the interest rate of the mortgage. 1) What the to display the mortgage payment amount. 2) I want to allow the user to loop back and enter new data or quit. *** Any percentage such as 6.35 rate 20 yr loan 200000. i. The program has to be written in procedural C++. a. PLEASE HARD CODE INSERTING EXTENSIVE NOTES SO I CAN SEE WHAT EACH FUNCTION 3) Program should include arrays, one or two repetition statements, conditional statements, a non trivial function, formatting out put arrays and calculations. i. I would like program have a press s to wait 10 seconds a... click for more

C++ Input/Output

/*Note this is a practice exercise from my textbook and I'd like to see a working program and follow the steps to complete a similar exercise to turn it (Keep in mind I'm a beginner at C++ so use the simplest method and comment effectively please)*/ Create a text file with a letter on the first line, and two double-digit numbers on the second line. Write a program using fstream that reads in your text file, creates variables to manipulate that input and outputs the following results to a different text file: "The ASCII value of your character: " __ " is " ____" (you will need to cast from a char to an int) "The sum of " ___ " and " _____ " = " _____ " (add the two numbers, disp... click for more